CVE-2023-39519
📋 TL;DR
Cloud Explorer Lite versions before 1.4.0 contain an information disclosure vulnerability in user information acquisition functionality. This allows attackers to access sensitive information that should be protected. All deployments using affected versions are vulnerable.
💻 Affected Systems
- Cloud Explorer Lite
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete exposure of sensitive user data including credentials, personal information, or cloud access keys leading to account compromise and data breaches.
Likely Case
Unauthorized access to user metadata, configuration details, or partial sensitive information that could facilitate further attacks.
If Mitigated
Limited exposure of non-critical information with proper access controls and network segmentation in place.
🎯 Exploit Status
The advisory suggests authenticated access may be required, but specific exploitation details are not publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.0
Vendor Advisory: https://github.com/CloudExplorer-Dev/CloudExplorer-Lite/security/advisories/GHSA-hh2g-77xq-x4vq
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Stop Cloud Explorer Lite service. 3. Upgrade to version 1.4.0 from official GitHub releases. 4. Restart the service. 5. Verify functionality.
🔧 Temporary Workarounds
Restrict Access
allLimit network access to Cloud Explorer Lite to trusted IP addresses only
Disable User Information Endpoints
allIf possible, disable or restrict the vulnerable user information acquisition functionality
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to Cloud Explorer Lite
- Monitor for suspicious access patterns to user information endpoints and implement alerting
🔍 How to Verify
Check if Vulnerable:
Check Cloud Explorer Lite version via web interface or configuration files. If version is below 1.4.0, system is vulnerable.Check Version:
Check web interface or configuration files for version informationVerify Fix Applied:
Confirm version is 1.4.0 or higher and test that user information endpoints no longer leak sensitive data.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to user information endpoints
- Requests for sensitive user data from unexpected sources
Network Indicators:
- Traffic to user information endpoints from unauthorized sources
- Unusual data volume from user info queries
SIEM Query:
source="cloud_explorer" AND (uri_path CONTAINS "/user/" OR uri_path CONTAINS "/profile/") AND status=200 AND bytes_out>threshold🔗 References
- https://github.com/CloudExplorer-Dev/CloudExplorer-Lite/releases/tag/v1.4.0
- https://github.com/CloudExplorer-Dev/CloudExplorer-Lite/security/advisories/GHSA-hh2g-77xq-x4vq
- https://github.com/CloudExplorer-Dev/CloudExplorer-Lite/releases/tag/v1.4.0
- https://github.com/CloudExplorer-Dev/CloudExplorer-Lite/security/advisories/GHSA-hh2g-77xq-x4vq
